20mm Dia, Hinge Boring Bit, 2 Cutting Edges, 2 Spurs, 1/4" Shank, 55mm Length industrial router bits They alternate in this manner

They alternate in this manner around the circumference of the blade and this geometry serves to prevent chipping on the top surface finish

shaping or grooving

leaving behind a fine cut

The combination style grind consists of 4 teeth ATB and 1 Raker

and technology in one complete package

20mm Dia, Hinge Boring Bit, 2 Cutting Edges, 2 Spurs, 1/4" Shank, 55mm Length industrial router bits They alternate in this mannerDescription Dimar's Carbide Tipped Hinge Boring Bits snap in and out of the Snappy without a chuck key. Unique teeth design to cut more aggressively. Use on Drill Press. Cuts most Softwood and Hardwood More Information Tool ID 52020 Number of Cutters 2 Brand Dimar Trade Industrial Diameter (D) 20mm Shank (d) 1 4" Overall Length (L) 55mm Material Soft Wood, Hard Wood, Melamine Tools Hinge Boring Machines